Magic is back in the world, but the library, with head librarian Zelda in charge, controls it all. And she is not inclined to share more than absolutely necessary. Our favorite magicians memories have been wiped, and they think they are all sort of ordinary people. Eliot though is not quite himself, since being possessed by a new big bad and Quintin must cater to his all needs. And then an old friend is back with a task for Margo.